________is used by living organisms for oxidation of glucose and other organic substances in order to liberate energy.

Q. Respiration is an energy releasing and enzymatically controlled catabolic process which involves a step-wise oxidative breakdown of organic substances inside living cells. In this statement about respiration explain the meaning of

1) Step-wise oxidative breakdown

2) Organic substances (used as substrates).

Q.

Respiration is an energy releasing and enzymatically controlled catabolic process which involves a step-wise oxidative breakdown of organic substances inside living cells. In this statement about respiration explain the meaning of

(i) Step-wise oxidative breakdown

(ii) Organic substances (used as substrates).

Q. (a) Name two different ways in which glucose is oxidized to provide energy in various organisms.
​(b) Write any two differences between the two ways of oxidation of glucose in organisms.

Q. What is the process by which organisms can carry out complete oxidation of glucose and extract the energy stored to synthesise a larger number of ATP molecules needed for cellular metabolism?

Q. For what purpose, energy is required by a living organism?